Home / 26,180.20-39,308.70-18,423.40

Finding the Fourth Proportional to 26,180.20, 39,308.70 and 18,423.40

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Solution

The fourth proportional to 26,180.20, 39,308.70 and 18,423.40 is: 27,662.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,180.20 : 39,308.70 = 18,423.40 : x
  2. Step 2: Convert to fraction form
    26,180.20/39,308.70 = 18,423.40/x
  3. Step 3: Cross multiply
    26,180.20x = 39,308.70 × 18,423.40
  4. Step 4: Simplify right side
    26,180.20x = 724,199,903.58
  5. Step 5: Solve for x
    x = 724,199,903.58/26,180.20
  6. Step 6: Final answer
    x = 27,662.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.